1. (noun) someone who is unsuccessful

• flop
• washout

2. (noun) an explosion that fails to occur

• misfire

3. (noun) an event that fails badly or is totally ineffectual

• bomb
• turkey

1. (noun) someone who is unsuccessful

• failure
• loser
• nonstarter
• unsuccessful person

2. (noun) an explosion that fails to occur

• breakdown
• equipment failure

3. (noun) an event that fails badly or is totally ineffectual

• bust
• fizzle
• flop

1. (adjective) failing to detonate; especially not charged with an active explosive

• unloaded

1. (noun) an explosion that fails to occur

• misfire

2. (noun) an event that fails badly or is totally ineffectual

• bomb
• fail
• flunk
• flush it